3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strtoupper(null));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.40.0100.01018.59
8.3.30.0070.00720.09
8.3.20.0020.00520.39
8.3.10.0000.00821.95
8.3.00.0040.00422.38
8.2.170.0170.00022.96
8.2.160.0130.00320.52
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0140.00019.53
8.2.110.0060.00322.25
8.2.100.0080.00417.91
8.2.90.0040.00419.00
8.2.80.0020.00519.46
8.2.70.0040.00417.50
8.2.60.0060.00317.91
8.2.50.0000.00818.07
8.2.40.0030.00518.09
8.2.30.0040.00417.82
8.2.20.0030.00617.59
8.2.10.0000.00717.54
8.2.00.0040.00417.48
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00022.11
8.1.230.0060.00619.16
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0000.00917.23
8.1.190.0080.00017.26
8.1.180.0040.00420.25
8.1.170.0080.00018.59
8.1.160.0000.00722.00
8.1.150.0040.00418.54
8.1.140.0070.00017.20
8.1.130.0060.00417.45
8.1.120.0040.00417.37
8.1.110.0060.00317.34
8.1.100.0040.00417.34
8.1.90.0070.00017.32
8.1.80.0040.00417.34
8.1.70.0060.00517.25
8.1.60.0050.00817.42
8.1.50.0030.00617.38
8.1.40.0060.00517.32
8.1.30.0060.00617.50
8.1.20.0070.00417.46
8.1.10.0070.00318.22
8.1.00.0040.00717.59
8.0.300.0070.00018.77
8.0.290.0040.00416.93
8.0.280.0070.00018.37
8.0.270.0030.00317.07
8.0.260.0030.00316.68
8.0.250.0030.00316.84
8.0.240.0040.00416.82
8.0.230.0070.00016.87
8.0.220.0000.00716.66
8.0.210.0000.00716.75
8.0.200.0110.00216.78
8.0.190.0070.00516.71
8.0.180.0080.00416.79
8.0.170.0110.00216.74
8.0.160.0080.00416.73
8.0.150.0070.00616.71
8.0.140.0050.00816.62
8.0.130.0060.00414.98
8.0.120.0030.00916.66
8.0.110.0080.00416.66
8.0.100.0050.00616.61
8.0.90.0050.00716.72
8.0.80.0120.00316.69
8.0.70.0090.00416.62
8.0.60.0080.00516.70
8.0.50.0090.00416.67
8.0.30.0120.00516.81
8.0.20.0100.00817.17
8.0.10.0050.00516.89
8.0.00.0070.00916.67
7.4.330.0000.00415.00
7.4.320.0050.00216.45
7.4.300.0090.00116.45
7.4.290.0050.00516.36
7.4.280.0020.01016.48
7.4.270.0060.00616.42
7.4.260.0070.00616.34
7.4.250.0100.00216.35
7.4.240.0060.00416.41
7.4.230.0090.00316.49
7.4.220.0110.00616.40
7.4.210.0080.00616.41
7.4.200.0100.00116.37
7.4.190.0080.00316.50
7.4.180.0040.00716.47
7.4.160.0100.00616.38
7.4.150.0130.00216.87
7.4.140.0090.01017.34
7.4.130.0100.00516.32
7.4.120.0130.00216.32
7.4.110.0110.00516.33
7.4.100.0100.00516.29
7.4.90.0120.00216.44
7.4.80.0100.00517.89
7.4.70.0090.00516.40
7.4.60.0080.00816.38
7.4.50.0040.00616.22
7.4.40.0090.00419.49
7.4.30.0140.00016.25
7.4.20.0040.00516.23
7.4.10.0000.00816.38
7.4.00.0060.00415.54
7.3.330.0060.00414.45
7.3.320.0050.00514.59
7.3.310.0090.00316.08
7.3.300.0060.00516.14
7.3.290.0150.00016.13
7.3.280.0060.01116.09
7.3.270.0110.00616.80
7.3.260.0100.00716.04
7.3.250.0080.00816.13
7.3.240.0130.00416.17
7.3.230.0080.00816.32
7.3.220.0080.00816.12
7.3.210.0140.00616.14
7.3.200.0140.00317.72
7.3.190.0100.00616.16
7.3.180.0110.00515.98
7.3.170.0100.00916.22
7.3.160.0110.00816.16
7.3.150.0150.00016.20
7.3.140.0170.00016.19
7.3.130.0110.00516.12
7.3.120.0130.00315.52
7.3.110.0000.01415.87
7.3.100.0160.00015.80
7.3.90.0120.00516.31
7.3.80.0120.00315.98
7.3.70.0130.00316.16
7.3.60.0110.00416.06
7.3.50.0060.01116.04
7.3.40.0080.00816.21
7.3.30.0120.00316.26
7.3.20.0090.00518.16
7.3.10.0060.00916.90
7.3.00.0060.01116.97
7.2.340.0130.00316.21
7.2.330.0080.00816.26
7.2.320.0120.00516.24
7.2.310.0090.00716.27
7.2.300.0040.01116.19
7.2.290.0110.00516.21
7.2.280.0150.00016.21
7.2.270.0120.00516.18
7.2.260.0110.00415.97
7.2.250.0120.00416.19
7.2.240.0110.00516.04
7.2.230.0110.00516.26
7.2.220.0110.00416.14
7.2.210.0150.00016.17
7.2.200.0140.00416.10
7.2.190.0120.00316.10
7.2.180.0080.00816.20
7.2.170.0130.00316.15
7.2.160.0120.00416.40
7.2.150.0120.00317.89
7.2.140.0130.00318.20
7.2.130.0080.00617.19
7.2.120.0060.00817.14
7.2.110.0060.00717.24
7.2.100.0070.00917.17
7.2.90.0070.00617.25
7.2.80.0110.00417.25
7.2.70.0050.00917.09
7.2.60.0050.00817.17
7.2.50.0100.00517.21
7.2.40.0050.00917.23
7.2.30.0050.00817.27
7.2.20.0100.00417.30
7.2.10.0070.00917.16
7.2.00.0030.01317.64
7.1.330.0120.00217.16
7.1.320.0050.00917.03
7.1.310.0100.00317.33
7.1.300.0140.00017.24
7.1.290.0100.00517.27
7.1.280.0060.01117.22
7.1.270.0160.00017.22
7.1.260.0090.00617.26
7.1.250.0090.00516.15
7.1.240.0150.00017.13
7.1.230.0090.00717.27
7.1.220.0100.00517.25
7.1.210.0150.00017.33
7.1.200.0050.01117.28
7.1.190.0150.00017.10
7.1.180.0070.00717.12
7.1.170.0140.00017.22
7.1.160.0120.00217.11
7.1.150.0000.01517.20
7.1.140.0050.01117.12
7.1.130.0080.00817.07
7.1.120.0060.00917.02
7.1.110.0130.00317.14
7.1.100.0090.00517.54
7.1.90.0060.00917.02
7.1.80.0090.00617.32
7.1.70.0060.00516.88
7.1.60.0110.00918.21
7.1.50.0100.00816.79
7.1.40.0110.00316.97
7.1.30.0100.00517.07
7.1.20.0090.00616.91
7.1.10.0140.00017.22
7.1.00.0050.03219.60
7.0.330.0120.00316.67
7.0.320.0090.00516.98
7.0.310.0110.00416.88
7.0.300.0100.00516.68
7.0.290.0130.00316.89
7.0.280.0140.00016.83
7.0.270.0110.00416.88
7.0.260.0090.00516.79
7.0.250.0110.00316.94
7.0.240.0110.00416.92
7.0.230.0070.00717.03
7.0.220.0090.00616.66
7.0.210.0140.00016.74
7.0.200.0060.00916.68
7.0.190.0100.00516.87
7.0.180.0110.00416.93
7.0.170.0080.00816.92
7.0.160.0150.00016.91
7.0.150.0130.00216.84
7.0.140.0060.03919.48
7.0.130.0110.00417.11
7.0.120.0090.00517.04
7.0.110.0070.00716.69
7.0.100.0080.00816.98
7.0.90.0090.00616.92
7.0.80.0110.00316.71
7.0.70.0090.00616.87
7.0.60.0120.03618.40
7.0.50.0110.04217.19
7.0.40.0100.02518.40
7.0.30.0190.02218.56
7.0.20.0160.02518.57
7.0.10.0070.02518.46
7.0.00.0110.04618.45
5.6.400.0140.00015.36
5.6.390.0070.00715.57
5.6.380.0120.00215.66
5.6.370.0120.00215.46
5.6.360.0140.00015.43
5.6.350.0000.01515.46
5.6.340.0070.00715.69
5.6.330.0150.00315.43
5.6.320.0110.00515.44
5.6.310.0080.00815.58
5.6.300.0040.00915.52
5.6.290.0140.00015.45
5.6.280.0060.04018.35
5.6.270.0100.00315.59
5.6.260.0140.00015.62
5.6.250.0160.00015.62
5.6.240.0090.00415.52
5.6.230.0120.00315.52
5.6.220.0000.01515.66
5.6.210.0080.03618.03
5.6.200.0020.02616.93
5.6.190.0070.02518.07
5.6.180.0300.03617.92
5.6.170.0170.02318.12
5.6.160.0090.03318.01
5.6.150.0080.02517.00
5.6.140.0100.04016.78
5.6.130.0110.03216.94
5.6.120.0130.03818.35
5.6.110.0130.03518.27
5.6.100.0090.04318.22
5.6.90.0080.04818.33
5.6.80.0060.03417.98
5.6.70.0120.00315.54
5.6.60.0090.00415.55
5.6.50.0100.00515.64
5.6.40.0080.00815.61
5.6.30.0080.00615.52
5.6.20.0130.00015.52
5.6.10.0140.00015.52
5.6.00.0130.00015.59
5.5.380.0100.00515.64
5.5.370.0050.01015.69
5.5.360.0090.00615.31
5.5.350.0090.04017.91
5.5.340.0040.02416.62
5.5.330.0070.04217.89
5.5.320.0090.02617.99
5.5.310.0210.01917.74
5.5.300.0100.03516.68
5.5.290.0080.04016.57
5.5.280.0130.03618.15
5.5.270.0060.04718.11
5.5.260.0140.04018.08
5.5.250.0080.04518.10
5.5.240.0130.04117.92
5.5.230.0110.00515.66
5.5.220.0110.00415.51
5.5.210.0090.00615.72
5.5.200.0100.00515.57
5.5.190.0080.00815.32
5.5.180.0100.00515.36
5.5.170.0120.00315.22
5.5.160.0140.00015.54
5.5.150.0120.00315.43
5.5.140.0050.01015.24
5.5.130.0100.00515.39
5.5.120.0090.00515.18
5.5.110.0090.00615.19
5.5.100.0150.00015.61
5.5.90.0080.00615.27
5.5.80.0080.00815.44
5.5.70.0120.00215.64
5.5.60.0060.00915.71
5.5.50.0090.00615.71
5.5.40.0130.00315.43
5.5.30.0110.00315.50
5.5.20.0090.00615.75
5.5.10.0110.00315.26
5.5.00.0120.00315.52
5.4.450.0200.02215.73
5.4.440.0160.02315.71
5.4.430.0100.02915.86
5.4.420.0210.02515.76
5.4.410.0230.01815.90
5.4.400.0200.01815.68
5.4.390.0190.02215.79
5.4.380.0150.02415.81
5.4.370.0190.02015.67
5.4.360.0200.02015.66
5.4.350.0270.02015.72
5.4.340.0230.01815.74
5.4.330.0120.00012.33
5.4.320.0170.02315.78
5.4.310.0190.03515.77
5.4.300.0200.03515.83
5.4.290.0230.03615.78
5.4.280.0190.02215.83
5.4.270.0230.02315.69
5.4.260.0340.03215.70
5.4.250.0200.01915.80
5.4.240.0270.01715.71
5.4.230.0190.03015.59
5.4.220.0220.01715.62
5.4.210.0130.02515.59
5.4.200.0210.02315.71
5.4.190.0230.01815.58
5.4.180.0210.02315.47
5.4.170.0240.02715.64
5.4.160.0260.03415.72
5.4.150.0190.02915.61
5.4.140.0200.02514.17
5.4.130.0220.03214.37
5.4.120.0190.02414.29
5.4.110.0140.02414.26
5.4.100.0220.01914.21
5.4.90.0310.03214.21
5.4.80.0270.03014.39
5.4.70.0260.03314.35
5.4.60.0250.02914.49
5.4.50.0300.03014.34
5.4.40.0180.03214.27
5.4.30.0310.01814.49
5.4.20.0280.03014.48
5.4.10.0210.02014.46
5.4.00.0220.02714.12
5.3.290.0190.02013.66
5.3.280.0220.03513.78
5.3.270.0170.02513.71
5.3.260.0200.02013.73
5.3.250.0200.02313.73
5.3.240.0220.01713.62
5.3.230.0220.02513.75
5.3.220.0210.02613.57
5.3.210.0170.02913.57
5.3.200.0190.02213.63
5.3.190.0220.03513.54
5.3.180.0220.02013.79
5.3.170.0260.02013.79
5.3.160.0240.02613.64
5.3.150.0290.01713.57
5.3.140.0260.02013.57
5.3.130.0200.02613.57
5.3.120.0240.02613.58
5.3.110.0190.02313.55
5.3.100.0300.02313.39
5.3.90.0230.03013.30
5.3.80.0240.01913.30
5.3.70.0240.02313.30
5.3.60.0320.02813.51
5.3.50.0240.02413.36
5.3.40.0320.02813.16
5.3.30.0270.02413.32
5.3.20.0280.02613.21
5.3.10.0230.02113.07
5.3.00.0200.02113.13

preferences:
44.62 ms | 400 KiB | 5 Q